<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
    <style>
        header a{
            text-decoration: none;
            color: #6c6c6c;
        }
        .el-table .el-table__cell{
            padding: 0;
        }
        .el-table .cell{
            white-space: nowrap;/*设置内容不换行*/
            text-overflow:ellipsis;/*有超出显示范围的文本时显示...*/
        }
        .p_img:hover{
            position: relative;/*相对位置*/
            top:5px;
            /*设置元素阴影:x偏移值 y偏移值 浓度(值越大越模糊) 范围 颜色*/
            box-shadow: 0 0 10px 5px #333;
        }
    </style>
</head>
<body>
<div id="app">
    <el-container>
        <el-header height="150px">
            <div style="width: 1200px;margin: 0 auto">
                <img src="imgs/logo.png" style="width: 300px;vertical-align: middle" alt="">
                <a href="/">首页</a><el-divider direction="vertical"></el-divider>
                <a href="">热点资讯</a><el-divider direction="vertical"></el-divider>
                <a href="">商家入驻</a><el-divider direction="vertical"></el-divider>
                <a href="">社会招聘</a><el-divider direction="vertical"></el-divider>
                <a href="">校园招聘</a><el-divider direction="vertical"></el-divider>
                <a href="">帮助</a>
            </div>
            <!--导航菜单开始-->
            <div style="background-color: #82c8ec">
                <el-menu style="width: 1200px;margin: 0 auto"
                    :default-active="activeIndex"
                    class="el-menu-demo"
                    mode="horizontal"
                    @select="handleSelect"
                    background-color="#82c8ec"
                    text-color="#fff"
                    active-text-color="#fff">
                    <!--循环遍历,重复生成,变量前必须加冒号-->
                <el-menu-item v-for="c in categoryArr" :index="c.id">{{c.name}}</el-menu-item>

                    <div style="float: right;position: relative;top: 10px">
                        <el-input placeholder="请输入搜索内容" v-model="wd">
                            <el-button slot="append" icon="el-icon-search" @click="search()"></el-button>
                        </el-input>
                    </div>
            </el-menu>
            </div>
            <!--导航菜单结束-->

        </el-header>
        <el-main style="width: 1200px;margin: 0 auto">

        <!--商品列表开始-->
            <el-row gutter="20">
                <el-col style="margin: 10px 0" span="6" v-for="p in productArr">
                    <el-card>
                        <a :href="'/detail.html?id='+p.id">
                            <img class="p_img" :src="p.url" width="100%" alt="">
                        </a>
                        <div>
                            <p style="font-size: 15px;height: 40px;margin-top: 0">
                                <!--:href="'/detail.html?id=' :绑定-->
                                <a style="text-decoration: none; color:#3f3f3f" :href="'/detail.html?id='+p.id">
                                {{p.title}}
                                </a>
                            </p>
                            <p style="font-size: 12px;color: #666">
                                ￥{{p.price}}浏览量:{{p.viewCount}}
                                <span style="float: right">销量:{{p.saleCount}}件</span>
                            </p>
                        </div>
                    </el-card>
                </el-col>
            </el-row>
        <!--商品列表结束-->
        </el-main>
        <el-footer>
            <div style="height: 95px;background-image: url('imgs/wave.png')">
            </div>
            <div style="background-color: #3f3f3f;padding:30px 0;text-align: center;color: #b1b1b1">
                <p>Copyright © 北京达内金桥科技有限公司版权所有 京ICP备12003709号-3 京公网安备 11010802029572号
                </p>
                <p>达内在线WWW.TMOOC.CN 专注于IT职业技能培训</p>
                <p>涵盖20余门课程体系，致力于打造权威的IT职业教育学习平台</p>
            </div>
        </el-footer>
    </el-container>
</div>
</body>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>

<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
   let v = new Vue({
        el: '#app',
        data: function() {
            return {
                categoryArr: [],
                activeIndex:"1",
                wd:"",
                productArr:[]
            }
        },
       methods: {
           handleSelect(key,keyPath){
               console.log(key,keyPath);
               //让点击页面是让结果页面不跳转,而是直接查询
               axios.get("/product/selectByCid?id="+key).then(function (response) {
                   v.productArr=response.data;
               })
               /*//跳转到结果页面 把分类id传递过去
               location.href="/result.html?id="+key;*/
           },
           //根据地址栏中的wd搜索内容发出请求获取所有相关商品(结果页面中进行的搜索)
           search() {
               axios.get("/product/selectByWd?wd="+v.wd).then(function (response) {
                   v.productArr=response.data;
               })
           }
       },
       /*一进入就发请求放入created里面*/
       created:function () {
           /*首页分类*/
           axios.get("/category/select").then(function (response) {
               v.categoryArr = response.data;
           })
           //location.search.indexOf(xx):地址栏中包含xx的位置,不包含结果为-1;  判断地址栏中是否包含wd
           if(location.search.indexOf("wd")!=-1){//包含wd代表显示搜索结果
                //根据地址栏中的wd搜索内容发出请求获取所有相关商品
               axios.get("/product/selectByWd"+location.search)
                            .then(function (response) {
                                v.productArr=response.data;
                            })

           }else {//不包含wd 代表显示分类
               //根据地址栏中分类id查询对应商品信息(首页中进行的搜索)
               axios.get("/product/selectByCid"+location.search).then(function (response) {
                   v.productArr=response.data;
               })
               //location.search得到?id=3    split('=')[1]得到3
               let cid=location.search.split('=')[1];
               this.activeIndex=cid;
           }

       }

   })
</script>
</html>
